Exercise Library

Ab Exercises

Tighten your abdominal muscles and protect your spine with the most effective ab exercises from the American Council on Exercise (ACE). Learn proper techniques and step-by-step instruction from America's Authority on Fitness. This large collection of exercises is also featured in complete workout routines that include full-body and at-home workouts. Whether you’re looking for beginner level training or advanced fitness programs, we have something here for everyone to target core muscle groups. Choose from a wide variety of lower ab exercises, standing trunk rotations, reverse crunches and more. If you have any questions or want to hear what leaders in the industry are saying, please see our Ask the Expert section.

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Wondering why your workouts leave you starving afterward? Well, you are burning calories and using up your glycogen stores, which can stimulate your appetite. But there are ways to avoid sabotaging your weight-loss efforts by overindulging after a workout. Here are five...

While some of us would just like to look like a surfer—lean, toned and powerful (and tanned)—others want to develop the incredible conditioning demonstrated by these world-class athletes. Regardless of your focus—athletic or aesthetic—this simple surf-specific workout will...

Feeling strong and durable and loving the skin you are in are wonderful goals to consistently train for throughout the summer and all year long. This summer-inspired lower-body circuit will help you develop powerful, well-defined muscles, burn calories and feel great while...